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Integration of WhatsApp Cloud API with Power Automate

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Posted on by Taher1

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I have created one flow to send message from Power Automate to WhatsApp through WhatsApp cloud API, but I am encountering one error "{"error":{"message":"(#100) The parameter messaging_product is required.","type":"OAuthException","code":100,"fbtrace_id":"abcdefg"}}" .
To resolve this issue I mapped parameters multiple time, recreated flow but this error is still unsolved.
Any help appreciated.

Power Automate flow

HTTP Method - Post
URI -

concat('https://graph.facebook.com/',variables('Version'),'/',variables('Phone-Number-ID'),'/messages')

Error Details

WhatsApp Flow .png

HTTP Post.png

error details.png

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